{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370395",
    "entityType": "User",
    "nonce": "0x7d80d19d0131d21943bd23a93dfe9b82b9d7e8719e7324de4349c3ddf7a9ee15",
    "signature": "0xd33c761c8eff87f8c4a165f66f3afc898c6c7d70227bd3da2f976979eafc7fc36a958592383015b8f47959d3327a974a384dcd929a5eb966f563bd49efbc90451b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}